package com.lyrcsoft.application;

import java.util.Optional;
import sun.security.provider.ConfigFile.Spi;

/**
 * @author fujc-dev@qq.com
 * @date 2023/7/12 15:31
 */

public class Programs {

    public static void main(String[] args) {
        Optional<String>  optional = Optional.of("zhangsan");
        System.out.println(optional.get());
    }
}
